jube-fork/Jube.App/wwwroot/kendo/examples/dropdownlist/mvvm.html

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<head>
    <title>MVVM</title>
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    <script src="../content/shared/js/console.js"></script>
    <script>
        
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</head>
<body>
    
        <a class="offline-button" href="../index.html">Back</a>
    
    <div id="example">
    <div class="configurator">
        <div class="header">Configurator</div>
        <div class="box-col">
            <h4>Configuration</h4>
            <ul>
                <li><label><input type="checkbox" data-bind="checked: isPrimitive, events: { change: primitiveChanged }">Set <strong>data-value-primitive</strong></label></li>
                <li><label><input type="checkbox" data-bind="checked: isEnabled">Enable</label></li>
                <li><label><input type="checkbox" data-bind="checked: isVisible">Visible</label></li>
            </ul>
        </div>
        <div class="box-col">
            <h4>Information</h4>
            Kendo UI DropDownList supports the
            <a href="https://docs.telerik.com/kendo-ui/getting-started/framework/mvvm/bindings/enabled">enabled</a>,
            <a href="https://docs.telerik.com/kendo-ui/getting-started/framework/mvvm/bindings/events">events</a>,
            <a href="https://docs.telerik.com/kendo-ui/getting-started/framework/mvvm/bindings/source">source</a>,
            <a href="https://docs.telerik.com/kendo-ui/getting-started/framework/mvvm/bindings/value">value</a> and
            <a href="https://docs.telerik.com/kendo-ui/getting-started/framework/mvvm/bindings/visible">visible</a> bindings.
        </div>
    </div>
    <div class="demo-section k-content">
        <div data-bind="visible: isPrimitive">
            <h4>Choose a product e.g. 'Chai'</h4>
            <input data-role="dropdownlist"
                   data-auto-bind="false"
                   data-value-primitive="true"
                   data-text-field="ProductName"
                   data-value-field="ProductID"
                   data-bind="value: selectedProduct,
                              source: products,
                              visible: isVisible,
                              enabled: isEnabled,
                              events: {
                                change: onChange,
                                open: onOpen,
                                close: onClose
                              }"
                   style="width: 100%;" />
            <p class="demo-hint">
                <strong>data-value-primitive</strong> is set to <strong>true</strong>
            </p>
        </div>
        <div data-bind="invisible: isPrimitive">
            <h4>Choose a product e.g. 'Chai'</h4>
            <input data-role="dropdownlist"
                   data-auto-bind="false"
                   data-text-field="ProductName"
                   data-value-field="ProductID"
                   data-bind="value: selectedProduct,
                              source: products,
                              visible: isVisible,
                              enabled: isEnabled,
                              events: {
                                change: onChange,
                                open: onOpen,
                                close: onClose
                              }"
                   style="width: 100%;" />
            <p class="demo-hint">
                <strong>data-value-primitive</strong> is <strong>not</strong> set.
            </p>
        </div>
    </div>
    <script>
        var viewModel = kendo.observable({
            selectedProduct: null,
            isPrimitive: false,
            isVisible: true,
            isEnabled: true,
            primitiveChanged: function () {
                this.set("selectedProduct", null);
            },
            displaySelectedProduct: function () {
                var selectedProduct = this.get("selectedProduct");
                return kendo.stringify(selectedProduct, null, 4);
            },
            onOpen: function () {
                kendoConsole.log("event :: open");
            },
            onChange: function () {
                kendoConsole.log("event :: change (" + this.displaySelectedProduct() + ")");
            },
            onClose: function () {
                kendoConsole.log("event :: close");
            },
            products: new kendo.data.DataSource({
                transport: {
                    read: {
                        url: "https://demos.telerik.com/kendo-ui/service/products",
                        dataType: "jsonp"
                    }
                }
            })
        });
        kendo.bind($("#example"), viewModel);
    </script>
</div>


    
</body>
</html>